<template>
  <div>
    <tiny-button class="mb-20" @click="loadData">加载数据</tiny-button>
    <tiny-grid ref="grid" :fetch-data="fetchData" :auto-load="false" remote-filter :pager="pager">
      <tiny-grid-column type="index" width="60"></tiny-grid-column>
      <tiny-grid-column type="selection" width="60"></tiny-grid-column>
      <tiny-grid-column field="name" title="公司名称" sortable></tiny-grid-column>
      <tiny-grid-column field="employees" title="员工数" sortable></tiny-grid-column>
      <tiny-grid-column field="createdDate" title="创建日期" sortable></tiny-grid-column>
      <tiny-grid-column field="city" title="城市" :filter="cityFilter" sortable></tiny-grid-column>
    </tiny-grid>
  </div>
</template>

<script setup>
import { ref } from 'vue'
import { TinyGrid, TinyGridColumn, TinyPager, TinyButton } from '@opentiny/vue'

const pager = ref({
  component: TinyPager,
  attrs: {
    currentPage: 1,
    pageSize: 5,
    total: 0,
    pageSizes: [5, 10, 15, 20],
    layout: 'total, sizes, prev, pager, next, jumper'
  }
})

const cityFilter = {
  multi: true,
  enumable: true,
  defaultFilter: false,
  inputFilter: false,
  condition: {
    type: 'enum',
    value: ['福州']
  }
}

const fetchData = ref({
  filter: true,
  api: getData
})
const tableData = ref([
  {
    id: '1',
    name: 'GFD 科技 YX 公司',
    city: '福州',
    employees: 800,
    createdDate: '2014-04-30 00:56:00'
  },
  {
    id: '2',
    name: 'WWW 科技 YX 公司',
    city: '深圳',
    employees: 300,
    createdDate: '2016-07-08 12:36:22'
  },
  {
    id: '3',
    name: 'RFV 有限责任公司',
    city: '中山',
    employees: 1300,
    createdDate: '2014-02-14 14:14:14'
  },
  {
    id: '4',
    name: 'TGB 科技 YX 公司',
    city: '龙岩',
    employees: 360,
    createdDate: '2013-01-13 13:13:13'
  },
  {
    id: '5',
    name: 'YHN 科技 YX 公司',
    city: '韶关',
    employees: 810,
    createdDate: '2012-12-12 12:12:12'
  },
  {
    id: '6',
    name: 'WSX 科技 YX 公司',
    city: '黄冈',
    employees: 800,
    createdDate: '2011-11-11 11:11:11'
  },
  {
    id: '7',
    name: 'KBG 物业 YX 公司',
    city: '赤壁',
    employees: 400,
    createdDate: '2016-04-30 23:56:00'
  },
  {
    id: '8',
    name: '深圳市福德宝网络技术 YX 公司',
    city: '深圳',
    employees: 540,
    createdDate: '2016-06-03 13:53:25'
  }
])

const grid = ref()

function loadData() {
  grid.value.handleFetch()
}
function getData({ page, filters }) {
  return new Promise((resolve) => {
    setTimeout(() => {
      // 此处为用户自定义的服务端分页、排序、过滤服务
      const startIndex = (page.currentPage - 1) * page.pageSize
      const allData = tableData.value.filter((item) => {
        return !filters.city || !filters.city.value.length || filters.city.value.includes(item.city)
      })
      const data = {
        result: allData.slice(startIndex, startIndex + page.pageSize),
        page: Object.assign({}, page, { total: allData.length })
      }

      resolve({ result: data.result, page: data.page })
    }, 200)
  })
}
</script>

<style scoped>
.mb-20 {
  margin-bottom: 20px;
}
</style>
